Denis Danilevskiy

Denis Danilevskiy

Yerevan, Armenia

Denis Danilevskiy

Senior C++ Desktop Engineer
Category : Web development
Senior C++ Engineer with 18+ years building real-time and embedded systems, multimedia pipelines, and high-performance desktop applications.

MORE FROM CLIENTS
"Excellent in every regard: communication, work, making logical inferences, asking good questions. Truly the top of the top." - Skan AI
"A very reliable, knowledgeable and professional developer who is a pleasure to work with." - Clickdrive
WHAT I BUILD
- Rich UI/UX and high performance desktop applications on C++/Qt, C# .Net Framework WPF/UWP/WinUI XAML

- Multimedia & Real-Time
Screen recording engines (Desktop Duplication API, Windows Graphics Capture, GDI), low-latency video/audio pipelines on FFmpeg, WebRTC streaming with custom builds and Janus SFU, DirectX GPU compositing with custom pixel shaders, audio DSP with RNNoise.

- Embedded & HMI
Industrial automation, locomotive on-board systems, HMI on Qt/QML, ModBus / RS-232/485 / Can. Codex industrial labeling software for ALE sas

- Real-Time Backends
SCADA alarm-module backend with high-throughput low-latency event handling, gRPC, multithreaded C++17/20 architecture.

- Native Library Bindings
C++ cores with bindings to Electron (Node-API), Flutter (FFI), Python. Cross-platform Windows and macOS.

- Engineering Infrastructure
CI/CD on Jenkins and Azure DevOps, self-hosted Sentry deployment, CrashRpt, automated quality gates, structured Git workflows.

HIGHLIGHTS

- 7 years as lead engineer on a portfolio of consumer multimedia and document-processing applications (architecture + implementation across a team of 3)
- Locomotive driver HMI deployed on operational locomotives in real-world service
- Automated engine test bench: reduced testing time by 40%, increased throughput from 6 to 10 engines per shift
- Currently leading C++/MFC -> Qt migration on the Ham Radio Deluxe product suite (41,500+ active users)
Core stack:
C++ (17/20) · Qt (QML, QWidgets) · CMake · vcpkg · FFmpeg · WebRTC · Desktop Duplication API · Media Foundation · DirectX · MFC · gRPC · Multithreading · ModBus · Windows Embedded · C# .NET · Electron Node-API · Jenkins · Azure DevOps · Sentry

WHAT I'M LOOKING FOR

Long-term engagements (6+ months) where deep C++ expertise and architectural ownership matter. Equally comfortable in greenfield architecture and rescuing legacy codebases. Available for fixed-price projects and hourly contracts.

Working hours

  • Monday:08h00 To 18h00
  • Tuesday:08h00 To 18h00
  • Wednesday:08h00 To 18h00
  • Thursday:08h00 To 18h00
  • Friday:08h00 To 18h00
  • Saturday:Not available
  • Sunday:Not available
  • 🇬🇧 English
  • 🇷🇺 Russian
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